Add ability to tick checkboxes from widget

[charliefrance]

Checklist

• I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• This issue contains only one feature request.
• I have read and understood the contribution guidelines.
• I optionally donated to support the Fossify mission.

Feature description

Add visual boxes to the widget when the selected note is a checklist, and add the ability to check the checkboxes from the widget.

Like this

Why do you want this feature?

It would be very useful if I didn't have to open the app to be able to tick off checkboxes quickly.

Additional information

No response